Search a number
-
+
78054 = 2313009
BaseRepresentation
bin10011000011100110
310222001220
4103003212
54444204
61401210
7443364
oct230346
9128056
1078054
1153709
1239206
13296b2
1420634
15181d9
hex130e6

78054 has 8 divisors (see below), whose sum is σ = 156120. Its totient is φ = 26016.

The previous prime is 78049. The next prime is 78059. The reversal of 78054 is 45087.

It is an interprime number because it is at equal distance from previous prime (78049) and next prime (78059).

It is a sphenic number, since it is the product of 3 distinct primes.

78054 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6499 + ... + 6510.

It is an arithmetic number, because the mean of its divisors is an integer number (19515).

278054 is an apocalyptic number.

78054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78060).

78054 is a wasteful number, since it uses less digits than its factorization.

78054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13014.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 78054 is about 279.3814596569. The cubic root of 78054 is about 42.7364445240.

The spelling of 78054 in words is "seventy-eight thousand, fifty-four".

Divisors: 1 2 3 6 13009 26018 39027 78054